Best Air Purifier to buy in India

If you’re living in Delhi or any other metropolitan city across India, then your wellbeing is being threatened by air pollution. Surprisingly, if we don’t suffer from any ailment, then we basically overlook the deteriorating air quality. Anyhow, it’s never too late to take the required precautionary measure. And as we all know, one thing that tops the list to counter air pollution is Air Purifier.

Their popularity is slowly on the rise in dint of improving purchasing power and increased awareness around air pollution. These air cleaners come in all shapes, sizes, features, bells, and whistles. And since the festival season is here, ushering in a peak in pollution, some of you might be out for one. Therefore, we have curated a list of best Air Purifiers available in India that you can buy in 2019. But, before you narrow in on any one option, you must be familiar with the basics. 

Air Purifier is a kind of panacea that filters the air for its harmful constituents and outs clean breathable air. Although there is no concrete evidence highlighting whether the air purifiers alleviate allergies and breathing disorders, they have a “band-aid approach” to save our lungs. Hence, they can be a good tool to combat indoor air pollution.

ALSO READ: Best 1.5 Ton Air Conditioners in India Under Rs 30,000 in 2019

Why Indoor Air Pollution is worrisome?

Best Air Purifier to buy in India

According to US EPA, people spend approximately 90 percent of their time indoors. This could be your home or office space. Another study claims, “More than half of the body’s intake during a lifetime is air inhaled in the home”. Ergo, in such cases, the risk of air pollution for you lurks within poorly ventilated closed doors.

And guess what, indoor air is considered two to five times dirtier than the outdoor air. Even if we leave aside the research and facts, haven’t you felt that lately, breathing indoors has become laborious? The common indoor pollutants are – Allergens such as pollens, dust, mites feces, mold, soot, smoke from burning cooking oil, candles, wood and incense sticks, insect repellants, VOCs, tobacco smoke, and pet dander. Then there are microbes like fungi, germs, bacteria, and viruses.

Problems can aggravate with the entry of outside pollutants. Even with closed windows, around 54-63% of indoor PM 2.5 comes from outdoors. The probability, is of course, higher in cities and that too for households in close proximity to industrial establishments. Then, there are allergens that sprout in the spring season and the ozone threat which quadruples once it reacts with other indoor pollutants.

Simply put, indoors can be toxic concentrations of air contaminants.

Are Air Purifiers Beneficial?

First and foremost, this is how an air purifier works: It pulls polluted air and releases clean, fresh air.

Best air purifier to buy in India
Source: Amazon

Here are a few arguments on the benefit of having an Air purifier:

  • Norman Edelman, a professor of preventive medicine and internal medicine at Stony Brook University (New York), says, “When used correctly, they only prove to reduce allergy symptoms modestly.”
  • Air purifiers are not advised as a shield against second-hand smoke or tobacco smoking in general. They are not a foolproof antidote to air pollution caused by smoking. For one, every air purifier works in a stipulated radius and might struggle in cleaning particles from every room in your home. Secondly, most of these particles stick to the surfaces of furniture and clothing and air purifiers might fail in filtering the non-airborne substances. So say no to smoking in and out, for reasons you know and don’t, but should.
  • The same disclaimer applies to Radon, released naturally from a combination of uranium in soil, rock, and water. The EPA does not recommend air cleaning to reduce the health risks associated with radon and the decay products of radon gas, which are called ‘radon progeny’.
  • HEPA Air filters (discussed later on) can screen Asbestos particles, which range in size between 0.7 and 90 microns.
  • The EPA also warns that contrary to claims, the air purifiers cannot cleanse all the VOCs.
  • Strictly speaking, they are deemed effective against dust, smoke, and pollen.

Things you should know before buying an Air Purifier

Best Air Purifier to buy in India
  • CADR or (Clean Air Delivery Rate) – This is the speed at which the air comes out of the filter. Measured in cubic meters, it determines how effectively it is at cleaning the air (Dust, Smoke, and Pollen) in the room since the filter has to suck up all the air in the room and push it out. If it’s rated as a group of three numbers like this – 200/210/180, then the first number denotes Dust, the second one for Smoke and the third one for Pollen.
  • Coverage Area – This implies the distance which the Air Purifier can cover. First of all, know your room size and accordingly pick a purifier that claims to work in a larger room than yours. It’s even better if you can factor in the height of the room too. You are recommended to station the air purifiers in most inhabited rooms within your home and office. Needless to say, it’s better to place in a central spot, where the Air purifier stays free of any obstruction.
  • ACH (Air Changes per Hour) – This means the number of times the purifier can exchange impure air with fresh air in an hour. It is usually denoted in multiples, viz. 2x, 3x, 4x, 6x, etc
  • HEPA (High-Efficiency Particulate Air) Filter – This is the most basic and also the most important filter, as it removes airborne pollutants sizing 0.3 µm (microns) or more. Human eyes can’t even see these particles. The HEPA filters are classified from grades E to A in descending order of effectiveness. They can screen dust, pollen, mold spores, mite feces, and other allergens.
  • Carbon Filters – Activated carbon molecules bond with the pollutants to trap cigarette smoke, chemical fumes, gases, and odors.
  • Besides the above two prominent filters, there are Ionic filters ( scatches ultra-fine particles sizing up to 0.01 microns) and Ultraviolet Light filter (which eliminates microbes like germs, bacteria, and mold) too.
  • Noise Level – Lower dB (Decibel) value, the better!
  • Portability and Design – You would obviously pick one that matches your indoor decor and is portable to move across rooms, if and when required.
  • Power Consumption, Price and Maintenance cost – I believe these are self-explanatory. You would want to pick a purifier which consumes less power, costs less upfront and doesn’t break the bank over time in servicing and filter swapping.

So, here are the best air purifiers that offer the best price to performance quotient.

Note: To get a better Idea of Indoor Air Quality, especially when you are trying to cover a broader area with multiple Air purifiers, you may also invest in Air Quality Monitors like Kaiterra Laser Egg 2

Key Air Purifier Features That You Should Know

  • Fan
  • Filter – Pre-filter (clean-able), Carbon Filter, Ionic Filter, Photocatalytic
  • Display Indicators showing us the quality of air, level of purifier’s performance, and suggesting servicing and filter replacement, when required.
  • Timer
  • Carrying handles or wheels to move it around
  • Remote control (WiFi based App support appreciated)
  • Auto Switching modes depending upon the level of pollution indoors.

10+ Best Air Purifiers for Home To Buy In India in 2019

Let’s break down their features, bells, and whistles one by one. Please note these are enlisted in ascending order (price-wise). So, you can grab the one that fits your bill.

1. Mi Air Purifier 2C

Best Air Purifier to buy in India

The newest progeny from the Mi Smart Home portfolio is the Mi Air Purifier 2C. This one’s brandished as “designed in India for India”. It flaunts 360-degree air intake coupled with a dual filtration mechanism. The company claims the filter swapping is now DIY in under 10 seconds – using a one-button control. Its true HEPA filter brags to screen 99.97 percent of indoor pollution. This one features a better CADR than its predecessor. A tiny indicator shows the air quality in three different stages, namely clear air, moderate pollution level, and severe pollution level. This one caters to the basics in a budget.

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You may also consider the Mi Air Purifier 2S or even the recently launched Mi Air Purifier 3, which comes with better CADR score, functional display, and filtration mechanism.

The glaring difference from the 2C is its OLED display panel that exhibits real-time PM2.5 concentration, temperature and humidity, Wi-Fi connection and working mode.

2. Honeywell Air Touch A5

Best Air Purifier to buy in India

Honeywell is a Fortune 100 company from the U.S. Its scale of operations include engineering aerospace equipment for governments and large corporations. As for the Air Touch A5 model, the air purifier is recommended for use in living rooms and bedrooms. Its 3-stage filtration comprises a washable pre-filter, HEPA and carbon filter. It claims to be completely Ozone-free and capable of removing formaldehyde, toxic gases, VOCs & odor.

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3. Philips 1000 AC1215-20

Best Air Purifier to buy in India

No introduction needed for Philips. The global electronics giant has a wide range of healthy lifestyle products. This one, in particular, is underlined to work best in bedrooms. It brings 2 years warranty on the product. It has bagged a list of accolades for its patented VitaShield IPS (Intelligent Purification System) Technology, certified by multiple bodies.

There is an Auto Mode, Allergen Mode & NightSense (automatic light sensing) mode and claims to cleanse 99.97% allergens & ultra-fine particles. It embellishes an extra-thick NanoProtect TRUE HEPA Series 1 Filter. You will also get a touch-panel UI with a 2-color panel display that presents 4-color air quality indicators for real-time feedback & child lock features.

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You may also consider Philips 2000 AC0820/20 or Philips AC2887/20

These variants board the AeraSense technology which gives you real-time monitored data on the PM 2.5 measurement. Plus, you get larger coverage and CADR performance. The latter vaunts to aid in removing the H1N1 virus, amongst bacterias, dust, pollen and more.

4. Coway Sleek AP-0509

Best Air Purifier to buy in India

Coway is a South Korean brand with 30 years of experience in the field. It offers 3 years warranty on air purifier motor and 1 year on electrical parts. Its best suited for Bed Rooms, and Small Offices. It sports 3 layer filtration including a Pre Filter, Patented Urethane Carbon Filter (that deodorizes the air as well), and most importantly the multi-layered Green Anti-Flu HEPA Filter. The latter in particular claims to be effective in removing cigarette smoke, H1N1 viruses, influenza, and many other viruses. There is a single-touch airspeed adjustment in three levels (1-3).

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5. Coway Sleek Pro AP-1009

Best Air Purifier to buy in India

This one works well in Large Bedrooms, Kitchen, and Drawing Rooms. Additionally, here you also get an Auto Mode, which automatically enhances the air quality using specialized dust sensors. It also offers – single-touch airspeed adjustment in four levels (1-3, Turbo). Moreover, there is a real-time air quality indicator that shows whether the air is Clean, Low Pollution, Medium Pollution, or High Pollution.

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6. Sharp FP-FM40E-B

Best Air Purifier to buy in India

Sharp is a Japanese multinational corporation that produces air purifiers amidst an array of electronic devices. This one highlights a passive HEPA system that traps PM2.5 particles, smoke, dust, and pollen. If you’re wondering how’s passive filtering different from active screening, then fret not since its the same technique used in all the incumbents of this list.

As for the active process, which is also called ionization releases negative ions that conduct dust from the ambient air. The caveat is, however, the Ozone (O3) emission in this process. And as you know, Ozone in high concentrations can be harmful to human health. So, the passive HEPA system is better.

Besides HEPA, there is a pre-filter, which sifts heavy dust particles. Lastly, one of its quirky features is the built-in mosquito catcher.

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7. Honeywell Air Touch i8 

Honeywell Air Touch i8 

Honeywell is back again in the list and this one’s the Air Touch i8 which works in a larger radius (up to 36 Sq.m coverage area for a room with 2.74m height) with better CADR value. This one is also loaded with a three-stage filtration process, which includes a washable pre-filter, HEPA and carbon filter. Yes, it extols an ‘Ozone Free’ shield.

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Now, if you are ready to spread a little more liberally, you may pick the Honeywell Air Touch-S8 air purifier.

8. Philips 3000 AC3256

Philips 3000 series AC3256 air purifier

Speaking of reappearance, Philips 3000 AC3256 is here with a far better CADR score and larger room coverage. It claims to be suited for the living room/master bedroom. You get to choose or leave it to work automatically between 3 modes – a General mode, an extra-sensitive Allergen mode, and an extra-powerful bacteria and virus mode.

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9. Blueair Classic 280i

Best Air Purifier to buy in India

Blueair Classic 280i air purifier from the Swedish brand ships with a host of features like the HEPASilent filtration technology, SmokeStop Filter, Wifi connectivity, and an auto mode. It touts 5 Years of warranty on air purifiers.

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10. Havells Freshia AP-58

Havells India unveils Freshia range of air purifiers

The key highlight of this air purifier is its 9 Stages filtration system which includes Pre-Filter, Cold-Catalyst, Activated Carbon, Antibacterial, HEPA, UV and Anion + Humidifier, Anti Bacterial Balls. It claims to filter the 0.3-micron size of particles, which would cover up to 99.99% pollutant particles. It bears a BLDC motor for husky operation, a real-time display indicator for various functions such as PM 2.5 pollution, Humidifier, UV, Auto mode, Sleep mode, Child lock, Manual Timer Setting, Automatic Filter Replacement reminder, ANION, and Dust Sensor. Havells offers 2 years of warranty on the product.

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You may check out other products in their catalog like Freshia AP-46, AP-40, and AP-20

10. Dyson Pure Cool Link Tower

Best Air Purifier to buy in India

Dyson, a British tech giant known for its revolutionary vacuum cleaners, has a slew of air purifiers in the Indian market. It is equipped with an Air Multiplier technology and oscillation feature, which outs purified beams of air across the entire room. There is a ‘Glass-HEPA’ filter and a carbon filter as well. There is a display for air quality indication and the WiFi connection status. If you install their Dyson companion app, then you can get  AQI (Air Quality Index) reports too.

Notably, Dyson doesn’t reveal any CADR score for its products. CADR test is considered a 3 decades old procedure and with the peak in pollution levels, it is not considered reliable by some. Thus Dyson uses the POLAR test instead, which is their in-house alternative for the CADR test. This test scales every nook and corner of a large room. Besides it also takes the airflow projection into consideration.

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11. Blueair Classic 480i

Blueair 480i

The underlining virtue of this air purifier is its whopping 510 m³/hr CADR score and how it stretches to about 434 Sq. Ft, which is also impressive. It comes with HEPA silent purification technology employing Smoke Stop Filter and a Particle Filter.  

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12. Dyson Hot+Cool purifier

Dyson Pure Hot+Cool Air Purifier

This might very well be one of the premium products in this lineup. Compared to the previous Dyson entrant, this one will cost you a chunk more, but it wields some extra benefits too. First of all, as evident from its name, it is a dual-purpose air purifier, as it automatically purifies and warms a whole room just like a heater. It features a 360° Glass HEPA Filter and Tris Impregnated Activated Carbon Filter. Here also you get the company’s in-house Air Multiplier technology which expels 350° oscillation with personalized angle support.

It also uses the Polar test instead of CADR.

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Here’s the list of best home air purifiers in India in November 2019:


CADR (m3/hr)

HEPA Filter life* (approx.)

Noise level (in decibels)

Power Consumption (in watts)

Coverage Area (Sq./ft.)

Dimensions and Weight (mm; Kg)


Mi Air Purifier 2C


Up to 6 months

63 dB



240 x 240 x 520; 4.1Kg

Rs. 6,499

Honeywell Air Touch A5


Up to 4 months

53 dB



38.21 x 48.61 x 20.71; 6.51  Kg

Rs. 7,550

Philips 1000  AC1215-20


Up to 6 months

33 dB



541 x 325 x 211; 7.04 Kg

Rs. 8,499

Mi Air Purifier 3



32.1 dB



240x 240x 520mm; 4.8 Kg

Rs. 9,999

Coway Sleek AP-0509


Up to 11 months

31 – 44 dB



312 x 575 x 198; 5.9 Kg

Rs. 10,900

Coway Sleek Pro AP-1009


Up to 11 months

22 – 49 dB



335 x 666 x 205; 7.5 Kg

Rs. 12,900



Up to 24 months

29 to 48 dB



281x 391x 540; 5.8Kg

Rs. 15,699

Honeywell Air Touch  i8


Up to 4 months

38 – 63 dB



600x 600x 600mm; 7Kg

Rs. 13,499

Philips 3000 AC3256


About a year

33 – 63.8 dB






9.83 kg

Rs. 24,949

Blueair Classic 280i


Up to 5  months

32 – 56 dB



530x 440x 210; 10Kg

Rs. 29,208

Dyson Pure Cool Link Tower


Up to 5  months

42.3 – 64.4 dB



200x 185x 1022; 6.65Kg

Rs. 29,900

Havells Freshia AP-58


Upto 4 months

up to 68.8 decibels



470x 300x 735; NA

Rs. 43,290

Blueair Classic 480i


Upto 6 months

42 dB



500x 275x 590mm; 14.01Kg


Dyson Hot+Cool


Up to 5 months

39.35 – 57.6 dB



205x 764x 248; 5.71Kg

Rs. 54,900

  • HEPA Filter Life subject to change depending on the level of pollution

Home Air Tips and Tricks: How to tackle Air Pollution Indoors?

Technology can be an enabler in living a healthy life. However, you could inculcate small habits and take these steps to tackle air pollution within your households and offices:
> Avoid smoking indoors
> Ensure proper ventilation, especially in the kitchen
> Use exhaust fans where ventilation is not feasible
> Keep your pets clean
> Keep Indoor pants
> Use doormats but avoid unnecessary carpeting and curtains
> Vacuum or clean often
> Safely store the chemicals, paints, pesticides, etc.
> Keep humidity at check
>Change expired filters of air purifiers



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